<template>
  <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import * as echarts from 'echarts/lib/echarts';

require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";

const defaultConfig = {
  xAxis: {
    show: true,
    data: [],
    boundaryGap: false,
    axisTick: {
      show: false,
    },
  },
  grid: {
    left: 10,
    right: 10,
    bottom: 20,
    top: 30,
    containLabel: true,
  },
  tooltip: {
    trigger: "axis",
    axisPointer: {
      type: "cross",
    },
    padding: [5, 10],
  },
  yAxis: {
    axisTick: {
      show: false,
    },
  },
  legend: {
    data: [],
  },
  series: Array.from(new Array(6), (item) => ({
    name: "",
    // itemStyle: {
    //   normal: {
    //     color: "#FF005A",
    //     lineStyle: {
    //       color: "#FF005A",
    //       width: 2,
    //     },
    //   },
    // },
    smooth: true,
    type: "line",
    data: [],
    animationDuration: 2800,
    animationEasing: "cubicInOut",
  })),
};

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart",
    },
    width: {
      type: String,
      default: "100%",
    },
    height: {
      type: String,
      default: "350px",
    },
    autoResize: {
      type: Boolean,
      default: true,
    },
    chartData: {
      type: Object,
      required: true,
    },
  },
  data() {
    return {
      chart: null,
    };
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        console.log(val);
        this.setOptions(val);
      },
    },
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      this.setOptions(defaultConfig);
    },
    setOptions(chartData) {
      this.$nextTick(() => {
        this.chart.setOption(chartData, {
          notMerge: false,
        });
      });
    },
  },
};
</script>
